component
OB3396AP
Public Made by Adomby adom
OB(On-Bright Elec) AC-DC Controllers & Regulators, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownOB3396AP
OB(On-Bright Elec) · AC-DC Controllers & Regulators · DIP-8
OB3396AP from OB(On-Bright Elec), in a DIP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | VDD | power_in | Power supply fed from the transformer auxiliary winding, with UVLO off at 15.2V typ and on at 9.4V typ, OVP at 27.5V typ and clamp at 28.5V typ. |
| 2 | COMP | input | Loop compensation pin, with absolute maximum voltage of -0.3 to 7V. |
| 3 | GND | power_in | Ground. |
| 4 | INV | input | Voltage feedback from the auxiliary winding via a resistor divider reflecting the output voltage, with absolute maximum of -0.3 to 7V. |
| 5 | CS | input | Current sense input, with 800mV typ over-current threshold and absolute maximum of -0.3 to 7V. |
| 6 | SOURCE | passive | Source of the internal HV MOSFET, where the external sense resistor Rs sets the constant-current point and output power. |
| 7 | DRAIN | passive | Drain of the internal HV MOSFET (600V min breakdown), internally connected to pin 8. |
| 8 | DRAIN | passive | Drain of the internal HV MOSFET (600V min breakdown), internally connected to pin 7. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | OB(On-Bright Elec) |
| Package | DIP-8 |
| Category | Power Management ICs |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Startup Current | IDD_ST | 5 | 20 | uA | VDD=13V | 5 | |
| Operation Current | IDD_op | 2 | 3 | mA | INV=2V, CS=0V, VDD=VDDG=20V | 5 | |
| VDD Under Voltage Lockout Enter | UVLO(ON) | 8.6 | 9.4 | 10.6 | V | VDD falling | 5 |
| VDD Under Voltage Lockout Exit | UVLO(OFF) | 13.9 | 15.2 | 16.4 | V | VDD rising | 5 |
| Maximum VDD operation voltage | VDD_clamp | 27 | 28.5 | 30 | V | IDD=10mA | 5 |
| Over voltage protection threshold | OVP | 26 | 27.5 | 29 | V | Ramp VDD until gate shut down | 5 |
| IC Maximum frequency | Freq_Max | 60 | 65 | 70 | KHz | 5 | |
| Reference voltage for EA | Vref_EA | 1.96 | 2 | 2.04 | V | 5 | |
| Over current threshold | Vth_oc | 785 | 800 | 815 | mV | 5 | |
| On Resistance | Rdson | 4.4 | 5.5 | Ω | Static, Id=1.0A | 5 | |
| MOSFET Drain-Source Breakdown Voltage | BVdss | 600 | V | 5 | |||
| LEB time | TLEB | 625 | ns | 5 | |||
| OCP Propagation delay | Td_oc | 110 | ns | 5 | |||
| Input Impedance | ZSENSE_IN | 50 | Kohm | 5 | |||
| Soft start time | T_ss | 17 | ms | 5 | |||
| System Nominal switch frequency | Freq_Nom | 50 | KHz | 5 | |||
| Startup frequency | Freq_startup | 14 | KHz | INV=0V, Comp=5V | 5 | ||
| Frequency shuffling range | △f/Freq | -6 | 6 | % | 5 | ||
| DC gain of EA | Gain | 60 | dB | 5 | |||
| Drain Voltage (off state) | -0.3 | V | max is BVdss | 2 | |||
| VDD Voltage | -0.3 | V | max is VDD_clamp | 2 | |||
| VDD Zener Clamp Continuous Current | 10 | mA | 2 | ||||
| COMP Voltage | -0.3 | 7 | V | 2 | |||
| CS Input Voltage | -0.3 | 7 | V | 2 | |||
| INV Input Voltage | -0.3 | 7 | V | 2 | |||
| Operating Junction Temperature | TJ | -40 | 150 | ℃ | Min/Max | 2 | |
| Storage Temperature | Tstg | -55 | 150 | ℃ | Min/Max | 2 | |
| Lead Temperature | 260 | ℃ | Soldering, 10secs | 2 | |||
| Package thermal resistance DIP8 | RθJA | 75 | ℃/W | DIP8 | 2 |
CAD (KiCad official)
- Symbol:
OB3396AP - Footprint:
Package_DIP:DIP-8_W7.62mm - 3D model: DIP-8 (KiCad packages3D, STEP)
- 3D model files:
ob3396ap-etched.step/ob3396ap-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ob3396ap.step/ob3396ap.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: OB(On-Bright Elec) datasheet (10 pp, sha256
6aed6cb675bd2420, retrieved 2026-10-22, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).